Wednesday, 9 December 2015

Say The Color Not The Word !

This peculiar effect is known as "Stroop Effect" named after J. Ridley Stroop who discovered this in 1930.

Why is it difficult to say the colour ?
The words themselves have a strong influence over your ability to say the colour. The interference between the different information (what the words say and the colour of the words) your brain receives causes a problem. There are two theories that may explain the Stroop effect:
  1. Speed of Processing Theory: the interference occurs because words are read faster than colours are named.
  2. Selective Attention Theory: the interference occurs because naming colours requires more attention than reading words.

I think that this puzzle would be easier for a very young child than for older children or adults. Try  this out on some small kids who know their colours, but cannot yet read! I would imagine that the children would not get confused by this puzzle because the words would not have any meaning to them. They just recognise the colour not the words. (Your kid should recognise the colours.)

Thursday, 11 June 2015

Why the return trip home feels shorter ?

We have all felt this unique and peculiar phenomena.

A new study has revealed that people reflecting on a roundtrip walk estimated that the return trip took less time than the outward trip.

Many have experienced the "return trip effect," where the return trip seems shorter than the outward trip, even when the trips actually
took the same amount of time.

Ryosuke Ozawa from Kyoto University and colleagues compared a group of 20 men watching two of three pre-recorded walking movies, of either
 an outbound trip and a return trip or two outbound trips.
The participants estimated the length of the two movies both while watching and then again after the two trips.
Only the participants from the group watching an outbound trip and a return trip-a roundtrip-estimated that the second trip took less time than the first trip.

Furthermore, the participants felt the return trip effect only when reflecting on length after the trips.

By comparing the round-trip condition and the non-round-trip condition, the authors suggest that the return trip on a roundtrip may actually make us feel that
time is shorter even without actually being physically part of the trip, and that the return trip effect may not affect the timing mechanism itself, but rather
our feeling of time retrospectively.

Further research is needed to better understand the contribution of the awareness of "return," since the labeling such as "roundtrip" or "return" may be another
factor in inducing the cognitive bias of the return trip effect.

But I don't think it is a research or an explanation of "Why the return trip home feels shorter ? " . For me this was an experiment and it's result is nothing.

Wednesday, 11 March 2015

Adorable Animals You Din't Know That You Could Have As Pet

Dogs and Cats seems old next to these adorable & exotic animals. You can also bring them home and they are human - friendly. 

  • Fennec Fox are the most adorable to keep them as pet. If you want to keep a dog and a cat both, don't think much. Fennec are the best choice. Fennec Fox is a small nocturnal fox mainly found in the Sahara Desert.  
    Fennec Fox  ( Baby )
  • Sugar Gliders have become a popular pet.They are small and easy to care. They can glide through air, so they need much space. Sugar Gliders are illegal to keep as pet in some countries. 
    Sugar Gliders 
  • Genet are growing their popularity because their beautiful patterns on them and their behaviour which is more likely to cats and ferrets. But they are more closely to mongoose than cats and ferrets.
  • If you love Big cats (Lions, tigers, leopard and cheetah) and want to kept them as pet but it is impractical to have one. Here is one more option Savannah Cats. 
    Savannah Cat 
  • In 1959, Soviet Union scientist Dmitri Belyaev set out to breed domesticated silver fox. He was able to breed foxes that safe to children and Human - friendly like Dogs .

Saturday, 17 January 2015

List of some Indian inventions that may surprise you !!

  • Button - Buttons were made from seashell and were used in the Indus Valley Civilization (Now India and Pakistan ) for ornamental purposes by 2000 BCE. Buttons were carved into geometric shapes and had holes pierced into them so that they could be attached to clothing by using a thread.

Seashell buttons 
  • Ruler - Rulers were made from Ivory and used by the Indus Valley Civilization in 1500 BCE. The  ruler was calibrated to about 1/16 of an inch which is less than 2 millimetres. The weights and measures of the Indus civilization also reached Persia and Central Asia, where they were further modified.
  • Stirrup - The earliest evidence of the stirrup was a toe loop that held the big toe and was used in India late in the second century BC. This ancient foot support consisted of a looped rope for the big toe which was at the bottom of a saddle made of fiber or leather.
  • Stepwell - The earliest stepwells most likely date to about 550 AD, but the most famous were built in medieval times. It is estimated that over 3,000 stepwells were built in the two northern states. Although many have fallen into disrepair, were silted in at some point in antiquity, or were filled in with trash in the modern era, hundreds of wells still exist. In New Delhi alone, there are more than 30.
  • Shampoo - The word shampoo in English is derived from Hindi word  "chāmpo" (चाँपो ). The shampoo itself originated in the eastern regions of the Mughal Empire that ruled erstwhile India, particularly in the Nawab of Bengal where it was introduced as a head massage, usually consisting of alkali, natural oils and fragrances. Shampoo was first introduced in Britain by a Bengali entrepreneur from Bihar named Sake Dean Mahomed.
  • Crescograph - It is a device for measuring growth in plants, was invented in the early 20th century by the Bengali scientist Sir Jagadish Chandra Bose.The Bose crescograph uses a series of clockwork gears and a smoked glass plate to record the movement of the tip of a plant (or its roots) at magnifications of up to 10,000. 
A Crescograph at JC bose museum 
  • Mysorean rockets - The first iron-cased and metal-cylinder rockets were developed by Tipu Sultan, ruler of the South Indian Kingdom of Mysore, and his father Hyder Ali, in the 1780s. They used them effectively against the British East India Company. Their conflicts with the company exposed the British to this technology, which was then used to advance European rocketry with the development of the Congreve rocket.
  • Mysorean Rocket used by Tipu sultan
    Source :-  Wikipedia Indian inventions and discoveries
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Sunday, 11 January 2015

5 Innovative Inventions Of 2K14

Solar-panel windows

A breakthrough in quantum dot research by scientists at Los Alamos National Laboratory paved the way for windows that double as solar panels.Quantum dots - nano-crystals made of a semiconductor - were embedded in a transparent polymer in order to capture the sun's energy and harvest it as power.

Smart contact lenses

A smart contact lens that can monitor the glucose levels of diabetes sufferers was developed by Google in January.Coming out of the company's Google X skunk works division, best known for developing Google Glass, the contact lenses use chips and sensors the size of glitter to offer an early warning to the wearer by analysing tears.


Each thud of a hiker’s heel releases enough energy to illuminate a light bulb. Rather than waste that power, Matt Stanton, an engineer and avid backpacker, created a shoe insole that stores it as electricity.


To save more lives, a group of veterans, scientists, and engineers known as RevMedx has created a pocket-sized device called XStat : a faster, more effective way to plug wounds. The poly-carbonate syringe slides deep into a wound, such as a bullet track. When a user pushes down on the handle, it deposits dozens of pill-size sponges that expand to stem bleeding. Meanwhile, a substance in the sponges fights infection while clotting blood.

Smart expiry label

A London-based student developed a bio-reactive expiry label that decays at the same rate as food, potentially making a massive dent on the millions of tonnes of food wasted around the world each year.

Source -  .
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